- All sections
- B - Performing operationstransporting
- B21B - Rolling of metal
- B21B 21/04 - Pilgrim-step feeding mechanisms
Patent holdings for IPC class B21B 21/04
Total number of patents in this class: 14
10-year publication summary
|
2
|
0
|
2
|
0
|
0
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0
|
0
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0
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0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alleima GmbH | 28 |
6 |
| Sandvik Materials Technology Deutschland GmbH | 59 |
5 |
| SMS Meer GmbH | 59 |
1 |
| Sumitomo Metal Industries, Ltd. | 317 |
1 |
| Innoventive Industries Ltd | 3 |
1 |
| Other owners | 0 |